<!DOCTYPE html>
<html lang="en-US">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>get_points_ellipse [HALCON算子参考手册]</title>
<style type="text/css">
      body {
    color: #000000;
    background-color: #ffffff;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}

.body_main {
    margin-left: 35px;
    margin-right: 35px;
}

@media screen and (min-width:992px) {

    .body_main {
        margin-left: 10%;
        margin-right: 10%;
    }

    table.toctable {
        width: 80%
    }
}

@media screen and (min-width:1400px) {

    .body_main {
        margin-left: 15%;
        margin-right: 15%;
    }

    table.toctable {
        width: 70%
    }
}

body>div ul ul {
    margin-left: inherit;
}

a:link {
    color: #0044cc;
}

a:link,
a:visited {
    text-decoration: none;
}

a:link:hover,
a:visited:hover {
    text-decoration: underline;
}

th {
    text-align: left;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    text-rendering: optimizeLegibility;
    color: #666666;
}

code {
    font-family: monospace,monospace;
}

h1 a.halconoperator {
    font-family: Arial, Helvetica, sans-serif;
    color: #666666;
}

h2 a.halconoperator {
    font-family: Arial, Helvetica, sans-serif;
    color: #666666;
}

hr {
    border: 0;
    border-top: solid 1px #f28d26;
}

.pre {
    display: block;
    padding-bottom: 1ex;
    font-family: monospace;
    white-space: pre;
}

pre {
    font-family: monospace, monospace;
    padding: 1ex;
    white-space: pre-wrap;
}

.toc {
    font-size: 80%;
    border-top: 1px dashed #f28d26;
    border-bottom: 1px dashed #f28d26;
    padding-top: 5px;
    padding-bottom: 5px;
}

.inv {
    margin: 0;
    border: 0;
    padding: 0;
}

.banner {
    color: #666666;
    padding-left: 1em;
}

.logo {
    background-color: white;
}

.keyboard {
    font-size: 80%;
    padding-left: 3px;
    padding-right: 3px;
    border-radius: 5px;
    border-width: 1px;
    border-style: solid;
    border-color: #f28d26;
    background-color: #f3f3f3;
}

.warning {
    margin-top: 2ex;
    margin-bottom: 1ex;
    padding: 10px;
    text-align: center;
    border: 1px solid;
    color: #bb0000;
    background-color: #fff7f7
}

.imprint {
    margin-top: 1ex;
    font-size: 80%;
    color: #666666;
}

.imprinthead {
    font-weight: bolder;
    color: #666666;
}

.indexlink {
    text-align: right;
    padding-bottom: 5px;
}

.postscript {
    margin-top: 2ex;
    font-size: 80%;
    color: #666666
}

.evenrow {
    background-color: #e7e7ef;
    vertical-align: top;
}

.oddrow {
    background-color: #f7f7ff;
    vertical-align: top;
}

.headrow {
    background-color: #97979f;
    color: #ffffff;
    vertical-align: top;
}

.logorow {
    vertical-align: top;
}

.error {
    color: red;
}

.var {
    font-style: italic
}

.halconoperator {
    font-family: monospace, monospace;
}

span.operator {
    font-family: monospace, monospace;
}

span.procedure {
    font-family: monospace, monospace;
}

span.operation {
    font-family: monospace, monospace;
}

span.feature {
    font-family: Arial, Helvetica, Homerton, sans-serif;
}

ul {
    padding-left: 1.2em;
}

li.dot {
    list-style-type: square;
    color: #f28d26;
}

.breadcrumb {
    font-size: 80%;
    color: white;
    background-color: #062d64;
    margin-bottom: 20px;
    padding-left: 35px;
    padding-right: 35px;
    padding-bottom: 15px;
}

.webbar {
    font-size: 80%;
    background-color: #dddddd;
    margin-top: 0px;
    margin-left: -35px;
    margin-right: -35px;
    margin-bottom: 0px;
    padding-top: 5px;
    padding-left: 35px;
    padding-right: 35px;
    padding-bottom: 5px;
}

.footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    border-top: 1px dashed #f28d26;
    font-size: 80%;
    color: #666666;
    padding-bottom: 8px;
}

.footer .socialmedia a {
    padding-left: 7px;
}

.socialmedia {
    padding-top: 10px;
}

.copyright {
    margin-top: 19px;
}

.breadcrumb a {
    color: #ffffff;
    border-bottom: 1px solid white;
}

.breadcrumb a:link:hover,
.breadcrumb a:visited:hover {
    text-decoration: none;
    border-bottom: none;
}

.heading {
    margin-top: 1ex;
    font-size: 110%;
    font-weight: bold;
    color: #666666;
}

.text {
    color: black;
}

.example {
    font-size: 80%;
    background-color: #f3f3f3;
    border: 1px dashed #666666;
    padding: 10px;
}

.displaymath {
    display: block;
    text-align: center;
    margin-top: 1ex;
    margin-bottom: 1ex;
}

.title {
    float: left;
    padding-top: 3px;
    padding-bottom: 3px;
}

.signnote {
    font-family: Arial, Helvetica, Homerton, sans-serif;
    font-size: 80%;
    color: #666666;
    font-weight: lighter;
    font-style: italic
}

.par {
    margin-bottom: 1.5em;
}

.parhead {
    text-align: right;
}

.parname {
    float: left;
}

.pardesc {
    font-size: 85%;
    margin-top: 0.5em;
    margin-bottom: 0.5em;
    margin-left: 2em;
}

.parcat {
    color: #666;
    font-weight: bold;
}

*[data-if=cpp],
*[data-if=c],
*[data-if=dotnet],
*[data-if=com],
*[data-if=python] {
    display: none;
}

.tabbar {
    text-align: right;
    border-bottom: 1px solid #f28d26;
    margin-bottom: 0.5em;
}

ul.tabs {
    padding-top: 3px;
    padding-bottom: 3px;
    margin-top: 10px;
    margin-bottom: 0;
    font-size: 80%
}

ul.tabs li {
    padding-top: 3px;
    padding-bottom: 3px;
    display: inline;
    overflow: hidden;
    list-style-type: none;
    margin: 0;
    margin-left: 8px;
    border-top: 1px solid #666;
    border-left: 1px solid #666;
    border-right: 1px solid #666;
}

ul.tabs li.active {
    border-left: 1px solid #f28d26;
    border-right: 1px solid #f28d26;
    border-top: 1px solid #f28d26;
    border-bottom: 1px solid #fff;
}

ul.tabs li.inactive {
    background-color: #eee;
}

ul.tabs li a {
    padding-left: 5px;
    padding-right: 5px;
    color: #666;
}

ul.tabs li a:link:hover {
    text-decoration: none;
}

ul.tabs li.inactive a {
    color: #666;
}

ul.tabs li.active a {
    color: black;
}

dl.generic dd {
    margin-bottom: 1em;
}

.pari {
    color: olive;
}

.paro {
    color: maroon;
}

.comment {
    font-size: 80%;
    color: green;
    white-space: nowrap;
}

table.grid {
    border-collapse: collapse;
}

table.grid td {
    padding: 5px;
    border: 1px solid;
}

table.layout {
    border: 0px;
}

table.layout td {
    padding: 5px;
}

table.table {
    border-collapse: collapse;
}

table.table td {
    padding: 5px;
    border-left: 0px;
    border-right: 0px;
}

table.table tr:last-child {
    border-bottom: 1px solid;
}

table.table th {
    padding: 5px;
    border-top: 1px solid;
    border-bottom: 1px solid;
    border-left: 0px;
    border-right: 0px;
}

.details_summary {
    cursor: pointer;
}

table.toctable {
    width: 100%;
}

table.toctable col:first-child {
    width: 20%;
}

table.toctable col:nth-last-child(2) {
    width: 8%;
}

table.altcolored tr:nth-child(even) {
    background-color: #f3f3f3;
}

    </style>
<!--OP_REF_STYLE_END-->
<script>
    <!--
var active_lang='hdevelop';function switchVisibility(obj,active_lang,new_lang)
{var display_style='inline';
for(var i=0;i<obj.length;i++)
{if(obj.item(i).getAttribute('data-if')==new_lang)
{obj.item(i).style.display=display_style;}
if(obj.item(i).getAttribute('data-if')==active_lang)
{obj.item(i).style.display='none';}}
return;}
function toggleLanguage(new_lang,initial)
{if(active_lang!=new_lang)
{var lis=document.getElementsByTagName('li');for(var i=0;i<lis.length;i++)
{if(lis.item(i).id=='syn-'+new_lang)
{lis.item(i).className='active';}
else
{lis.item(i).className='inactive';}}
var divs=document.getElementsByTagName('div');var spans=document.getElementsByTagName('span');switchVisibility(divs,active_lang,new_lang);switchVisibility(spans,active_lang,new_lang);if(!initial)
{setCookie("halcon_reference_language",new_lang,null,null);}
active_lang=new_lang;}
return;}
function setCookie(name,value,domain,exp_offset,path,secure)
{localStorage.setItem(name,value);}
function getCookie(name)
{return localStorage.getItem(name);}
function initialize()
{var qs=location.href.split('?')[1];var qs_lang_raw=location.href.split('interface=')[1];var qs_lang;if(qs_lang_raw)
{qs_lang=qs_lang_raw.split('#')[0];}
var cookie_lang=getCookie("halcon_reference_language");var new_lang;if((qs_lang=="hdevelop")||(qs_lang=="dotnet")||(qs_lang=="python")||(qs_lang=="cpp")||(qs_lang=="c"))
{new_lang=qs_lang;setCookie("halcon_reference_language",new_lang,null,null);}
else if((cookie_lang=="hdevelop")||(cookie_lang=="dotnet")||(cookie_lang=="python")||(cookie_lang=="cpp")||(cookie_lang=="c"))
{new_lang=cookie_lang;}
else
{new_lang="hdevelop";}
toggleLanguage(new_lang,1);return;}
-->

  </script>
</head>
<body onload="initialize();">
<div class="breadcrumb">
<br class="inv"><a href="index.html">目录</a> / <a href="toc_tools.html">工具</a> / <a href="toc_tools_geometry.html">几何</a><br class="inv">
</div>
<div class="body_main">
<div class="tabbar"><ul class="tabs">
<li id="syn-hdevelop" class="active"><a href="javascript:void(0);" onclick="toggleLanguage('hdevelop')" onfocus="blur()">HDevelop</a></li>
<li id="syn-dotnet" class="inactive"><a href="javascript:void(0);" onclick="toggleLanguage('dotnet')" onfocus="blur()">.NET</a></li>
<li id="syn-python" class="inactive"><a href="javascript:void(0);" onclick="toggleLanguage('python')" onfocus="blur()">Python</a></li>
<li id="syn-cpp" class="inactive"><a href="javascript:void(0);" onclick="toggleLanguage('cpp')" onfocus="blur()">C++</a></li>
<li id="syn-c" class="inactive"><a href="javascript:void(0);" onclick="toggleLanguage('c')" onfocus="blur()">C</a></li>
</ul></div>
<div class="indexlink">
<a href="index_classes.html"><span data-if="dotnet" style="display:none;">类别</span><span data-if="cpp" style="display:none;">类别</span></a><span data-if="dotnet" style="display:none;"> | </span><span data-if="cpp" style="display:none;"> | </span><a href="index_by_name.html">算子列表</a>
</div>
<!--OP_REF_HEADER_END-->
<h1 id="sec_name">
<span data-if="hdevelop" style="display:inline;">get_points_ellipse</span><span data-if="c" style="display:none;">get_points_ellipse</span><span data-if="cpp" style="display:none;">GetPointsEllipse</span><span data-if="dotnet" style="display:none;">GetPointsEllipse</span><span data-if="python" style="display:none;">get_points_ellipse</span> (算子名称)</h1>
<h2>名称</h2>
<p><code><span data-if="hdevelop" style="display:inline;">get_points_ellipse</span><span data-if="c" style="display:none;">get_points_ellipse</span><span data-if="cpp" style="display:none;">GetPointsEllipse</span><span data-if="dotnet" style="display:none;">GetPointsEllipse</span><span data-if="python" style="display:none;">get_points_ellipse</span></code> — Calculate points on the perimeter of an ellipse.</p>
<h2 id="sec_synopsis">参数签名</h2>
<div data-if="hdevelop" style="display:inline;">
<p>
<code><b>get_points_ellipse</b>( :  : <a href="#Angle"><i>Angle</i></a>, <a href="#Row"><i>Row</i></a>, <a href="#Column"><i>Column</i></a>, <a href="#Phi"><i>Phi</i></a>, <a href="#Radius1"><i>Radius1</i></a>, <a href="#Radius2"><i>Radius2</i></a> : <a href="#RowPoint"><i>RowPoint</i></a>, <a href="#ColPoint"><i>ColPoint</i></a>)</code></p>
</div>
<div data-if="c" style="display:none;">
<p>
<code>Herror <b>get_points_ellipse</b>(double <a href="#Angle"><i>Angle</i></a>, double <a href="#Row"><i>Row</i></a>, double <a href="#Column"><i>Column</i></a>, double <a href="#Phi"><i>Phi</i></a>, double <a href="#Radius1"><i>Radius1</i></a>, double <a href="#Radius2"><i>Radius2</i></a>, double* <a href="#RowPoint"><i>RowPoint</i></a>, double* <a href="#ColPoint"><i>ColPoint</i></a>)</code></p>
<p>
<code>Herror <b>T_get_points_ellipse</b>(const Htuple <a href="#Angle"><i>Angle</i></a>, const Htuple <a href="#Row"><i>Row</i></a>, const Htuple <a href="#Column"><i>Column</i></a>, const Htuple <a href="#Phi"><i>Phi</i></a>, const Htuple <a href="#Radius1"><i>Radius1</i></a>, const Htuple <a href="#Radius2"><i>Radius2</i></a>, Htuple* <a href="#RowPoint"><i>RowPoint</i></a>, Htuple* <a href="#ColPoint"><i>ColPoint</i></a>)</code></p>
</div>
<div data-if="cpp" style="display:none;">
<p>
<code>void <b>GetPointsEllipse</b>(const HTuple&amp; <a href="#Angle"><i>Angle</i></a>, const HTuple&amp; <a href="#Row"><i>Row</i></a>, const HTuple&amp; <a href="#Column"><i>Column</i></a>, const HTuple&amp; <a href="#Phi"><i>Phi</i></a>, const HTuple&amp; <a href="#Radius1"><i>Radius1</i></a>, const HTuple&amp; <a href="#Radius2"><i>Radius2</i></a>, HTuple* <a href="#RowPoint"><i>RowPoint</i></a>, HTuple* <a href="#ColPoint"><i>ColPoint</i></a>)</code></p>
<p>
<code>static void <a href="HMisc.html">HMisc</a>::<b>GetPointsEllipse</b>(const HTuple&amp; <a href="#Angle"><i>Angle</i></a>, double <a href="#Row"><i>Row</i></a>, double <a href="#Column"><i>Column</i></a>, double <a href="#Phi"><i>Phi</i></a>, double <a href="#Radius1"><i>Radius1</i></a>, double <a href="#Radius2"><i>Radius2</i></a>, HTuple* <a href="#RowPoint"><i>RowPoint</i></a>, HTuple* <a href="#ColPoint"><i>ColPoint</i></a>)</code></p>
<p>
<code>static void <a href="HMisc.html">HMisc</a>::<b>GetPointsEllipse</b>(double <a href="#Angle"><i>Angle</i></a>, double <a href="#Row"><i>Row</i></a>, double <a href="#Column"><i>Column</i></a>, double <a href="#Phi"><i>Phi</i></a>, double <a href="#Radius1"><i>Radius1</i></a>, double <a href="#Radius2"><i>Radius2</i></a>, double* <a href="#RowPoint"><i>RowPoint</i></a>, double* <a href="#ColPoint"><i>ColPoint</i></a>)</code></p>
</div>
<div data-if="com" style="display:none;"></div>
<div data-if="dotnet" style="display:none;">
<p>
<code>static void <a href="HOperatorSet.html">HOperatorSet</a>.<b>GetPointsEllipse</b>(<a href="HTuple.html">HTuple</a> <a href="#Angle"><i>angle</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Row"><i>row</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Column"><i>column</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Phi"><i>phi</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Radius1"><i>radius1</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Radius2"><i>radius2</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#RowPoint"><i>rowPoint</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#ColPoint"><i>colPoint</i></a>)</code></p>
<p>
<code>static void <a href="HMisc.html">HMisc</a>.<b>GetPointsEllipse</b>(<a href="HTuple.html">HTuple</a> <a href="#Angle"><i>angle</i></a>, double <a href="#Row"><i>row</i></a>, double <a href="#Column"><i>column</i></a>, double <a href="#Phi"><i>phi</i></a>, double <a href="#Radius1"><i>radius1</i></a>, double <a href="#Radius2"><i>radius2</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#RowPoint"><i>rowPoint</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#ColPoint"><i>colPoint</i></a>)</code></p>
<p>
<code>static void <a href="HMisc.html">HMisc</a>.<b>GetPointsEllipse</b>(double <a href="#Angle"><i>angle</i></a>, double <a href="#Row"><i>row</i></a>, double <a href="#Column"><i>column</i></a>, double <a href="#Phi"><i>phi</i></a>, double <a href="#Radius1"><i>radius1</i></a>, double <a href="#Radius2"><i>radius2</i></a>, out double <a href="#RowPoint"><i>rowPoint</i></a>, out double <a href="#ColPoint"><i>colPoint</i></a>)</code></p>
</div>
<div data-if="python" style="display:none;">
<p>
<code>def <b>get_points_ellipse</b>(<a href="#Angle"><i>angle</i></a>: MaybeSequence[float], <a href="#Row"><i>row</i></a>: float, <a href="#Column"><i>column</i></a>: float, <a href="#Phi"><i>phi</i></a>: float, <a href="#Radius1"><i>radius_1</i></a>: float, <a href="#Radius2"><i>radius_2</i></a>: float) -&gt; Tuple[Sequence[float], Sequence[float]]</code></p>
<p>
<code>def <b>get_points_ellipse_s</b>(<a href="#Angle"><i>angle</i></a>: MaybeSequence[float], <a href="#Row"><i>row</i></a>: float, <a href="#Column"><i>column</i></a>: float, <a href="#Phi"><i>phi</i></a>: float, <a href="#Radius1"><i>radius_1</i></a>: float, <a href="#Radius2"><i>radius_2</i></a>: float) -&gt; Tuple[float, float]</code></p>
</div>
<h2 id="sec_description">描述</h2>
<p><code><span data-if="hdevelop" style="display:inline">get_points_ellipse</span><span data-if="c" style="display:none">get_points_ellipse</span><span data-if="cpp" style="display:none">GetPointsEllipse</span><span data-if="com" style="display:none">GetPointsEllipse</span><span data-if="dotnet" style="display:none">GetPointsEllipse</span><span data-if="python" style="display:none">get_points_ellipse</span></code> returns the point
(<a href="#RowPoint"><i><code><span data-if="hdevelop" style="display:inline">RowPoint</span><span data-if="c" style="display:none">RowPoint</span><span data-if="cpp" style="display:none">RowPoint</span><span data-if="com" style="display:none">RowPoint</span><span data-if="dotnet" style="display:none">rowPoint</span><span data-if="python" style="display:none">row_point</span></code></i></a>,<a href="#ColPoint"><i><code><span data-if="hdevelop" style="display:inline">ColPoint</span><span data-if="c" style="display:none">ColPoint</span><span data-if="cpp" style="display:none">ColPoint</span><span data-if="com" style="display:none">ColPoint</span><span data-if="dotnet" style="display:none">colPoint</span><span data-if="python" style="display:none">col_point</span></code></i></a>) on the specified ellipse
corresponding to the angle in <a href="#Angle"><i><code><span data-if="hdevelop" style="display:inline">Angle</span><span data-if="c" style="display:none">Angle</span><span data-if="cpp" style="display:none">Angle</span><span data-if="com" style="display:none">Angle</span><span data-if="dotnet" style="display:none">angle</span><span data-if="python" style="display:none">angle</span></code></i></a>.
With the parameter <a href="#Angle"><i><code><span data-if="hdevelop" style="display:inline">Angle</span><span data-if="c" style="display:none">Angle</span><span data-if="cpp" style="display:none">Angle</span><span data-if="com" style="display:none">Angle</span><span data-if="dotnet" style="display:none">angle</span><span data-if="python" style="display:none">angle</span></code></i></a> you are setting the eccentric anomaly,
which denotes the angle used for the parametric equation (see the
figure below) and refers to the main axis of the ellipse.
The ellipse itself is characterized by
the center (<a href="#Row"><i><code><span data-if="hdevelop" style="display:inline">Row</span><span data-if="c" style="display:none">Row</span><span data-if="cpp" style="display:none">Row</span><span data-if="com" style="display:none">Row</span><span data-if="dotnet" style="display:none">row</span><span data-if="python" style="display:none">row</span></code></i></a>, <a href="#Column"><i><code><span data-if="hdevelop" style="display:inline">Column</span><span data-if="c" style="display:none">Column</span><span data-if="cpp" style="display:none">Column</span><span data-if="com" style="display:none">Column</span><span data-if="dotnet" style="display:none">column</span><span data-if="python" style="display:none">column</span></code></i></a>), the orientation of the
main axis <a href="#Phi"><i><code><span data-if="hdevelop" style="display:inline">Phi</span><span data-if="c" style="display:none">Phi</span><span data-if="cpp" style="display:none">Phi</span><span data-if="com" style="display:none">Phi</span><span data-if="dotnet" style="display:none">phi</span><span data-if="python" style="display:none">phi</span></code></i></a> relative to the horizontal axis, the length of
the larger (<a href="#Radius1"><i><code><span data-if="hdevelop" style="display:inline">Radius1</span><span data-if="c" style="display:none">Radius1</span><span data-if="cpp" style="display:none">Radius1</span><span data-if="com" style="display:none">Radius1</span><span data-if="dotnet" style="display:none">radius1</span><span data-if="python" style="display:none">radius_1</span></code></i></a>) and  the smaller half
axis (<a href="#Radius2"><i><code><span data-if="hdevelop" style="display:inline">Radius2</span><span data-if="c" style="display:none">Radius2</span><span data-if="cpp" style="display:none">Radius2</span><span data-if="com" style="display:none">Radius2</span><span data-if="dotnet" style="display:none">radius2</span><span data-if="python" style="display:none">radius_2</span></code></i></a>). The angles are measured counter clockwise in
radiant.
</p>
<div style="text-align:center;" class="figure">
<svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" id="svg8" version="1.1" viewBox="0 0 151.68238 140" height="70mm" width="75.841195mm" inkscape:version="0.91 r13725" sodipodi:docname="get_points_ellipse-angle.svg" customscale="0.5">
  <sodipodi:namedview pagecolor="#ffffff" bordercolor="#666666" borderopacity="1" objecttolerance="10" gridtolerance="10" guidetolerance="10" inkscape:pageopacity="0" inkscape:pageshadow="2" inkscape:window-width="1874" inkscape:window-height="1089" id="namedview46" showgrid="false" inkscape:snap-bbox="true" inkscape:bbox-paths="true" inkscape:bbox-nodes="true" inkscape:snap-bbox-edge-midpoints="false" inkscape:snap-bbox-midpoints="true" inkscape:object-paths="true" inkscape:snap-intersection-paths="true" inkscape:object-nodes="true" inkscape:snap-smooth-nodes="true" inkscape:zoom="0.95149206" inkscape:cx="49.143322" inkscape:cy="276.79338" inkscape:window-x="155" inkscape:window-y="215" inkscape:window-maximized="0" inkscape:current-layer="svg8" inkscape:snap-page="true" inkscape:snap-global="false" fit-margin-top="0" fit-margin-left="0" fit-margin-right="0" fit-margin-bottom="0"></sodipodi:namedview>
  <defs id="defs2">
    <marker style="overflow:visible" id="marker4947" refX="0" refY="0" orient="auto">
      <path transform="scale(-0.6,-0.6)" d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z" style="fill:#062d64;fill-opacity:1;fill-rule:evenodd;stroke:#062d64;stroke-width:0.625;stroke-linejoin:round;stroke-opacity:1" id="path4945" inkscape:connector-curvature="0"></path>
    </marker>
    <marker orient="auto" refY="0" refX="0" id="marker4907" style="overflow:visible">
      <path id="path4905" style="fill:#062d64;fill-opacity:1;fill-rule:evenodd;stroke:#062d64;stroke-width:0.625;stroke-linejoin:round;stroke-opacity:1" d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z" transform="scale(0.6,0.6)" inkscape:connector-curvature="0"></path>
    </marker>
    <marker style="overflow:visible" id="Arrow2Mstart" refX="0" refY="0" orient="auto">
      <path transform="scale(0.6,0.6)" d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z" style="fill:#23a0e9;fill-opacity:1;fill-rule:evenodd;stroke:#23a0e9;stroke-width:0.625;stroke-linejoin:round;stroke-opacity:1" id="path4577" inkscape:connector-curvature="0"></path>
    </marker>
    <marker style="overflow:visible" id="Arrow2Mend" refX="0" refY="0" orient="auto">
      <path transform="scale(-0.6,-0.6)" d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z" style="fill:#23a0e9;fill-opacity:1;fill-rule:evenodd;stroke:#23a0e9;stroke-width:0.625;stroke-linejoin:round;stroke-opacity:1" id="path4580" inkscape:connector-curvature="0"></path>
    </marker>
    <marker style="overflow:visible" id="Arrow2Send" refX="0" refY="0" orient="auto">
      <path transform="matrix(-0.3,0,0,-0.3,0.69,0)" d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z" style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:0.625;stroke-linejoin:round;stroke-opacity:1" id="path4586" inkscape:connector-curvature="0"></path>
    </marker>
    <marker style="overflow:visible" id="Arrow2Mend-8" refX="0" refY="0" orient="auto">
      <path transform="scale(-0.6,-0.6)" d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z" style="fill:#23a0e9;fill-opacity:1;fill-rule:evenodd;stroke:#23a0e9;stroke-width:0.625;stroke-linejoin:round;stroke-opacity:1" id="path4580-4" inkscape:connector-curvature="0"></path>
    </marker>
    <marker orient="auto" refY="0" refX="0" id="marker4907-2" style="overflow:visible">
      <path id="path4905-0" style="fill:#062d64;fill-opacity:1;fill-rule:evenodd;stroke:#062d64;stroke-width:0.625;stroke-linejoin:round;stroke-opacity:1" d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z" transform="scale(0.6,0.6)" inkscape:connector-curvature="0"></path>
    </marker>
    <marker style="overflow:visible" id="marker4947-7" refX="0" refY="0" orient="auto">
      <path transform="scale(-0.6,-0.6)" d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z" style="fill:#062d64;fill-opacity:1;fill-rule:evenodd;stroke:#062d64;stroke-width:0.625;stroke-linejoin:round;stroke-opacity:1" id="path4945-2" inkscape:connector-curvature="0"></path>
    </marker>
  </defs>
  <metadata id="metadata5">
    <rdf:RDF>
      <cc:Work rdf:about="">
        <dc:format>image/svg+xml</dc:format>
        <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"></dc:type>
        <dc:title></dc:title>
      </cc:Work>
    </rdf:RDF>
  </metadata>
  <circle style="opacity:1;fill:none;fill-opacity:0.39215686;stroke:#23a0e9;stroke-width:1.3227756;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:3.96832665, 3.96832665;stroke-dashoffset:0;stroke-opacity:1" id="path4485" cx="75.84111" cy="70" r="34.494839"></circle>
  <ellipse style="opacity:1;fill:none;fill-opacity:0.39215686;stroke:#062d64;stroke-width:1.3227756;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:3.96832665, 3.96832665;stroke-dashoffset:12.30181217;stroke-opacity:1" id="path4485-4" cx="75.84111" cy="70" rx="58.859444" ry="58.859451"></ellipse>
  <path inkscape:connector-curvature="0" style="fill:none;stroke:#000000;stroke-width:0.5291667;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:2.11666667, 1.05833333;stroke-dashoffset:0;stroke-opacity:1" d="m 75.841292,0 -1.86e-4,140" id="path4502"></path>
  <path inkscape:connector-curvature="0" style="fill:none;stroke:#000000;stroke-width:0.5291667;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:2.11666667, 1.05833333;stroke-dashoffset:0;stroke-opacity:1" d="M 145.8411,70.000001 5.8412924,69.999561" id="path4502-2"></path>
  <ellipse style="opacity:1;fill:none;fill-opacity:0.39215686;stroke:#f28d26;stroke-width:1.32291651;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1" id="path4525" cx="75.84111" cy="70" rx="58.859444" ry="34.494839"></ellipse>
  <text xml:space="preserve" style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:8.8194437px;line-height:1.25;font-family:Arial;-inkscape-font-specification:'Arial, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#23a0e9;fill-opacity:1;stroke:none;stroke-width:0.26458332" x="81.038101" y="32.084122" id="text4533"><tspan id="tspan4531" x="81.038101" y="32.084122" style="fill:#23a0e9;fill-opacity:1;stroke-width:0.26458332">r2</tspan></text>
  <text xml:space="preserve" style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:8.8194437px;line-height:1.25;font-family:Arial;-inkscape-font-specification:'Arial, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#062d64;fill-opacity:1;stroke:none;stroke-width:0.26458332" x="141.34428" y="78.761703" id="text4537"><tspan id="tspan4535" x="141.34428" y="78.761703" style="fill:#062d64;fill-opacity:1;stroke-width:0.26458332">r1</tspan></text>
  <text xml:space="preserve" style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:8.8194437px;line-height:1.25;font-family:Arial;-inkscape-font-specification:'Arial, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#23a0e9;fill-opacity:1;stroke:none;stroke-width:0.26458332" x="137.49702" y="61.098747" id="text4541"><tspan id="tspan4539" x="137.49702" y="61.098747" style="fill:#23a0e9;fill-opacity:1;stroke-width:0.26458332">r2 sin(a)</tspan></text>
  <text xml:space="preserve" style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:8.8194437px;line-height:1.25;font-family:Arial;-inkscape-font-specification:'Arial, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#062d64;fill-opacity:1;stroke:none;stroke-width:0.26458332" x="98.026222" y="78.865829" id="text4545"><tspan id="tspan4543" x="98.026222" y="78.865829" style="fill:#062d64;fill-opacity:1;stroke-width:0.26458332">r1 cos(a)</tspan></text>
  <path inkscape:connector-curvature="0" style="fill:none;stroke:#000000;stroke-width:0.56444448;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" d="M 75.888124,69.952981 118.48604,29.207142" id="path4547"></path>
  <path inkscape:connector-curvature="0" style="fill:none;stroke:#062d64;stroke-width:0.56444448;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" d="m 76.299415,69.873591 41.698955,-4.2e-4" id="path4549"></path>
  <path inkscape:connector-curvature="0" style="fill:none;stroke:#062d64;stroke-width:0.5291667;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:1.5875, 0.52916667;stroke-dashoffset:0;stroke-opacity:1" d="m 118.73064,70.040481 0,-41.133243" id="path4551-6"></path>
  <path inkscape:connector-curvature="0" style="fill:none;stroke:#23a0e9;stroke-width:0.5291667;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:1.5875, 0.52916667;stroke-dashoffset:0;stroke-opacity:1" d="m 75.806527,46.280021 42.862513,-4.2e-4" id="path4549-7"></path>
  <circle style="opacity:1;fill:#000000;fill-opacity:1;stroke:#000000;stroke-width:0.49763685;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1" id="path7774" cx="118.78083" cy="46.27562" r="1.5011816"></circle>
  <path inkscape:connector-curvature="0" style="fill:none;stroke:#23a0e9;stroke-width:0.5291667;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" d="m 118.80939,69.209781 0,-21.95269" id="path4551"></path>
  <text xml:space="preserve" style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:8.8194437px;line-height:1.25;font-family:Arial;-inkscape-font-specification:'Arial, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.26458332" x="89.249588" y="66.645676" id="text7753"><tspan id="tspan7751" x="89.249588" y="66.645676" style="stroke-width:0.26458332">a</tspan></text>
  <path inkscape:connector-curvature="0" style="opacity:1;fill:none;fill-opacity:0.39215686;stroke:#000000;stroke-width:0.75259155;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1" id="path4485-3" d="m 90.015642,56.428991 a 19.623705,19.623705 0 0 1 5.44912,13.61419"></path>
  <text xml:space="preserve" style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:8.8194437px;line-height:1.25;font-family:Arial;-inkscape-font-specification:'Arial, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.26458332" x="123.57928" y="46.66964" id="text7772"><tspan id="tspan7770" x="123.57928" y="46.66964" style="stroke-width:0.26458332">P</tspan></text>
</svg><div style="margin-bottom:30px;text-align:center;" class="caption">
The point <code>P</code> with its coordinates <a href="#RowPoint"><i><code><span data-if="hdevelop" style="display:inline">RowPoint</span><span data-if="c" style="display:none">RowPoint</span><span data-if="cpp" style="display:none">RowPoint</span><span data-if="com" style="display:none">RowPoint</span><span data-if="dotnet" style="display:none">rowPoint</span><span data-if="python" style="display:none">row_point</span></code></i></a> and
<a href="#ColPoint"><i><code><span data-if="hdevelop" style="display:inline">ColPoint</span><span data-if="c" style="display:none">ColPoint</span><span data-if="cpp" style="display:none">ColPoint</span><span data-if="com" style="display:none">ColPoint</span><span data-if="dotnet" style="display:none">colPoint</span><span data-if="python" style="display:none">col_point</span></code></i></a> belongs to the ellipse (orange).
It is determined over the angle
<code>a</code> and the lengths of the half axis <code>r1</code> (<a href="#Radius1"><i><code><span data-if="hdevelop" style="display:inline">Radius1</span><span data-if="c" style="display:none">Radius1</span><span data-if="cpp" style="display:none">Radius1</span><span data-if="com" style="display:none">Radius1</span><span data-if="dotnet" style="display:none">radius1</span><span data-if="python" style="display:none">radius_1</span></code></i></a>)
and <code>r2</code> (<a href="#Radius2"><i><code><span data-if="hdevelop" style="display:inline">Radius2</span><span data-if="c" style="display:none">Radius2</span><span data-if="cpp" style="display:none">Radius2</span><span data-if="com" style="display:none">Radius2</span><span data-if="dotnet" style="display:none">radius2</span><span data-if="python" style="display:none">radius_2</span></code></i></a>). For simplicity of the visualization
and angle <a href="#Phi"><i><code><span data-if="hdevelop" style="display:inline">Phi</span><span data-if="c" style="display:none">Phi</span><span data-if="cpp" style="display:none">Phi</span><span data-if="com" style="display:none">Phi</span><span data-if="dotnet" style="display:none">phi</span><span data-if="python" style="display:none">phi</span></code></i></a>=<i><span data-if="hdevelop" style="display:inline">'0'</span><span data-if="c" style="display:none">"0"</span><span data-if="cpp" style="display:none">"0"</span><span data-if="com" style="display:none">"0"</span><span data-if="dotnet" style="display:none">"0"</span><span data-if="python" style="display:none">"0"</span></i> was used.
</div>
</div>
<h2 id="sec_execution">运行信息</h2>
<ul>
  <li>多线程类型:可重入(与非独占操作符并行运行)。</li>
<li>多线程作用域:全局(可以从任何线程调用)。</li>
  <li>未经并行化处理。</li>
</ul>
<h2 id="sec_parameters">参数表</h2>
  <div class="par">
<div class="parhead">
<span id="Angle" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Angle</span><span data-if="c" style="display:none">Angle</span><span data-if="cpp" style="display:none">Angle</span><span data-if="com" style="display:none">Angle</span><span data-if="dotnet" style="display:none">angle</span><span data-if="python" style="display:none">angle</span></code></b> (input_control)  </span><span>angle.rad(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">MaybeSequence[float]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real)</span><span data-if="dotnet" style="display:none"> (<i>double</i>)</span><span data-if="cpp" style="display:none"> (<i>double</i>)</span><span data-if="c" style="display:none"> (<i>double</i>)</span></span>
</div>
<p class="pardesc">Angle corresponding to the resulting point [rad].</p>
<p class="pardesc"><span class="parcat">Default:
      </span>0</p>
<p class="pardesc"><span class="parcat">Restriction:
      </span><code>Angle &gt;= 0 &amp;&amp; Angle &lt;= 6.283185307</code></p>
</div>
  <div class="par">
<div class="parhead">
<span id="Row" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Row</span><span data-if="c" style="display:none">Row</span><span data-if="cpp" style="display:none">Row</span><span data-if="com" style="display:none">Row</span><span data-if="dotnet" style="display:none">row</span><span data-if="python" style="display:none">row</span></code></b> (input_control)  </span><span>ellipse.center.y <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">float</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real)</span><span data-if="dotnet" style="display:none"> (<i>double</i>)</span><span data-if="cpp" style="display:none"> (<i>double</i>)</span><span data-if="c" style="display:none"> (<i>double</i>)</span></span>
</div>
<p class="pardesc">Row coordinate of the center of the ellipse.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Column" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Column</span><span data-if="c" style="display:none">Column</span><span data-if="cpp" style="display:none">Column</span><span data-if="com" style="display:none">Column</span><span data-if="dotnet" style="display:none">column</span><span data-if="python" style="display:none">column</span></code></b> (input_control)  </span><span>ellipse.center.x <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">float</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real)</span><span data-if="dotnet" style="display:none"> (<i>double</i>)</span><span data-if="cpp" style="display:none"> (<i>double</i>)</span><span data-if="c" style="display:none"> (<i>double</i>)</span></span>
</div>
<p class="pardesc">Column coordinate of the center of the ellipse.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Phi" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Phi</span><span data-if="c" style="display:none">Phi</span><span data-if="cpp" style="display:none">Phi</span><span data-if="com" style="display:none">Phi</span><span data-if="dotnet" style="display:none">phi</span><span data-if="python" style="display:none">phi</span></code></b> (input_control)  </span><span>ellipse.angle.rad <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">float</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real)</span><span data-if="dotnet" style="display:none"> (<i>double</i>)</span><span data-if="cpp" style="display:none"> (<i>double</i>)</span><span data-if="c" style="display:none"> (<i>double</i>)</span></span>
</div>
<p class="pardesc">Orientation of the main axis [rad].</p>
<p class="pardesc"><span class="parcat">Restriction:
      </span><code>Phi &gt;= 0 &amp;&amp; Phi &lt;= 6.283185307</code></p>
</div>
  <div class="par">
<div class="parhead">
<span id="Radius1" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Radius1</span><span data-if="c" style="display:none">Radius1</span><span data-if="cpp" style="display:none">Radius1</span><span data-if="com" style="display:none">Radius1</span><span data-if="dotnet" style="display:none">radius1</span><span data-if="python" style="display:none">radius_1</span></code></b> (input_control)  </span><span>ellipse.radius1 <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">float</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real)</span><span data-if="dotnet" style="display:none"> (<i>double</i>)</span><span data-if="cpp" style="display:none"> (<i>double</i>)</span><span data-if="c" style="display:none"> (<i>double</i>)</span></span>
</div>
<p class="pardesc">Length of the larger half axis.</p>
<p class="pardesc"><span class="parcat">Restriction:
      </span><code>Radius1 &gt; 0</code></p>
</div>
  <div class="par">
<div class="parhead">
<span id="Radius2" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Radius2</span><span data-if="c" style="display:none">Radius2</span><span data-if="cpp" style="display:none">Radius2</span><span data-if="com" style="display:none">Radius2</span><span data-if="dotnet" style="display:none">radius2</span><span data-if="python" style="display:none">radius_2</span></code></b> (input_control)  </span><span>ellipse.radius2 <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">float</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real)</span><span data-if="dotnet" style="display:none"> (<i>double</i>)</span><span data-if="cpp" style="display:none"> (<i>double</i>)</span><span data-if="c" style="display:none"> (<i>double</i>)</span></span>
</div>
<p class="pardesc">Length of the smaller half axis.</p>
<p class="pardesc"><span class="parcat">Restriction:
      </span><code>Radius2 &gt;= 0</code></p>
</div>
  <div class="par">
<div class="parhead">
<span id="RowPoint" class="parname"><b><code><span data-if="hdevelop" style="display:inline">RowPoint</span><span data-if="c" style="display:none">RowPoint</span><span data-if="cpp" style="display:none">RowPoint</span><span data-if="com" style="display:none">RowPoint</span><span data-if="dotnet" style="display:none">rowPoint</span><span data-if="python" style="display:none">row_point</span></code></b> (output_control)  </span><span>point.y(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">Sequence[float]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real)</span><span data-if="dotnet" style="display:none"> (<i>double</i>)</span><span data-if="cpp" style="display:none"> (<i>double</i>)</span><span data-if="c" style="display:none"> (<i>double</i>)</span></span>
</div>
<p class="pardesc">Row coordinate of the point on the ellipse.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="ColPoint" class="parname"><b><code><span data-if="hdevelop" style="display:inline">ColPoint</span><span data-if="c" style="display:none">ColPoint</span><span data-if="cpp" style="display:none">ColPoint</span><span data-if="com" style="display:none">ColPoint</span><span data-if="dotnet" style="display:none">colPoint</span><span data-if="python" style="display:none">col_point</span></code></b> (output_control)  </span><span>point.x(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">Sequence[float]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real)</span><span data-if="dotnet" style="display:none"> (<i>double</i>)</span><span data-if="cpp" style="display:none"> (<i>double</i>)</span><span data-if="c" style="display:none"> (<i>double</i>)</span></span>
</div>
<p class="pardesc">Column coordinates of the point on the ellipse.</p>
</div>
<h2 id="sec_example_all">例程 (HDevelop)</h2>
<pre class="example">
draw_ellipse(WindowHandle,Row,Column,Phi,Radius1,Radius2)
get_points_ellipse([0,3.14],Row,Column,Phi,Radius1,Radius2,\
                   RowPoint,ColPoint)
</pre>
<h2 id="sec_result">结果</h2>
<p><code><span data-if="hdevelop" style="display:inline">get_points_ellipse</span><span data-if="c" style="display:none">get_points_ellipse</span><span data-if="cpp" style="display:none">GetPointsEllipse</span><span data-if="com" style="display:none">GetPointsEllipse</span><span data-if="dotnet" style="display:none">GetPointsEllipse</span><span data-if="python" style="display:none">get_points_ellipse</span></code> returns <TT>2</TT> (
      <TT>H_MSG_TRUE</TT>)
     if all parameter
values are correct. 如有必要，将引发异常。</p>
<h2 id="sec_predecessors">可能的前置算子</h2>
<p>
<code><a href="fit_ellipse_contour_xld.html"><span data-if="hdevelop" style="display:inline">fit_ellipse_contour_xld</span><span data-if="c" style="display:none">fit_ellipse_contour_xld</span><span data-if="cpp" style="display:none">FitEllipseContourXld</span><span data-if="com" style="display:none">FitEllipseContourXld</span><span data-if="dotnet" style="display:none">FitEllipseContourXld</span><span data-if="python" style="display:none">fit_ellipse_contour_xld</span></a></code>, 
<code><a href="draw_ellipse.html"><span data-if="hdevelop" style="display:inline">draw_ellipse</span><span data-if="c" style="display:none">draw_ellipse</span><span data-if="cpp" style="display:none">DrawEllipse</span><span data-if="com" style="display:none">DrawEllipse</span><span data-if="dotnet" style="display:none">DrawEllipse</span><span data-if="python" style="display:none">draw_ellipse</span></a></code>, 
<code><a href="gen_ellipse_contour_xld.html"><span data-if="hdevelop" style="display:inline">gen_ellipse_contour_xld</span><span data-if="c" style="display:none">gen_ellipse_contour_xld</span><span data-if="cpp" style="display:none">GenEllipseContourXld</span><span data-if="com" style="display:none">GenEllipseContourXld</span><span data-if="dotnet" style="display:none">GenEllipseContourXld</span><span data-if="python" style="display:none">gen_ellipse_contour_xld</span></a></code>
</p>
<h2 id="sec_see">参考其它</h2>
<p>
<code><a href="gen_ellipse_contour_xld.html"><span data-if="hdevelop" style="display:inline">gen_ellipse_contour_xld</span><span data-if="c" style="display:none">gen_ellipse_contour_xld</span><span data-if="cpp" style="display:none">GenEllipseContourXld</span><span data-if="com" style="display:none">GenEllipseContourXld</span><span data-if="dotnet" style="display:none">GenEllipseContourXld</span><span data-if="python" style="display:none">gen_ellipse_contour_xld</span></a></code>
</p>
<h2 id="sec_module">模块</h2>
<p>
Foundation</p>
<!--OP_REF_FOOTER_START-->
<hr>
<div class="indexlink">
<a href="index_classes.html"><span data-if="dotnet" style="display:none;">类别</span><span data-if="cpp" style="display:none;">类别</span></a><span data-if="dotnet" style="display:none;"> | </span><span data-if="cpp" style="display:none;"> | </span><a href="index_by_name.html">算子列表</a>
</div>
<div class="footer">
<div class="copyright">HALCON算子参考手册 Copyright © 2015-2023 51Halcon</div>
</div>
</div>
</body>
</html>
